{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-8501", "assignerOrgId": "37e5125f-f79b-445b-8fad-9564f167944b", "state": "PUBLISHED", "assignerShortName": "certcc", "dateReserved": "2026-05-13T20:56:16.307Z", "datePublished": "2026-06-01T16:25:11.611Z", "dateUpdated": "2026-06-01T18:20:05.862Z"}, "containers": {"cna": {"title": "CVE-2026-8501", "descriptions": [{"lang": "en", "value": "Improper access control in the PCTCore64.sys Windows kernel driver from PC Tools Internet Security allows user-mode processes to access the PCTCoreDriver WDM device interface and invoke privileged IOCTL handlers. A local attacker with the ability to access or load the affected driver can exploit this vulnerability to perform sensitive and privileged operations on the target system."}], "source": {"discovery": "UNKNOWN"}, "affected": [{"vendor": "Symantec", "product": "PC Tools Internet Security", "versions": [{"status": "affected", "version": "*"}]}], "problemTypes": [{"descriptions": [{"lang": "en", "description": "CWE-782: Exposed IOCTL with Insufficient Access Control"}]}], "references": [{"url": "https://learn.microsoft.com/en-us/windows/security/application-security/application-control/app-control-for-business/design/microsoft-recommended-driver-block-rules"}, {"url": "https://learn.microsoft.com/en-us/windows/win32/secauthz/security-descriptor-definition-language"}, {"url": "https://kb.cert.org/vuls/id/158530"}], "x_generator": {"engine": "VINCE 3.0.41", "env": "prod", "origin": "https://cveawg.mitre.org/api/cve/CVE-2026-8501"}, "providerMetadata": {"orgId": "37e5125f-f79b-445b-8fad-9564f167944b", "shortName": "certcc", "dateUpdated": "2026-06-01T16:25:11.611Z"}}, "adp": [{"problemTypes": [{"descriptions": [{"type": "CWE", "cweId": "CWE-782", "lang": "en", "description": "CWE-782 Exposed IOCTL with Insufficient Access Control"}]}], "metrics": [{"cvssV3_1": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.8, "attackVector": "LOCAL", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "HIGH"}}, {"other": {"type": "ssvc", "content": {"timestamp": "2026-06-01T18:20:00.476148Z", "id": "CVE-2026-8501", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "total"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-06-01T18:20:05.862Z"}}]}}

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{"cveTags": [], "descriptions": [{"lang": "en", "value": "Improper access control in the PCTCore64.sys Windows kernel driver from PC Tools Internet Security allows user-mode processes to access the PCTCoreDriver WDM device interface and invoke privileged IOCTL handlers. A local attacker with the ability to access or load the affected driver can exploit this vulnerability to perform sensitive and privileged operations on the target system."}], "id": "CVE-2026-8501", "lastModified": "2026-06-01T18:02:29.343", "metrics": {}, "published": "2026-06-01T17:17:35.513", "references": [{"source": "cret@cert.org", "url": "https://kb.cert.org/vuls/id/158530"}, {"source": "cret@cert.org", "url": "https://learn.microsoft.com/en-us/windows/security/application-security/application-control/app-control-for-business/design/microsoft-recommended-driver-block-rules"}, {"source": "cret@cert.org", "url": "https://learn.microsoft.com/en-us/windows/win32/secauthz/security-descriptor-definition-language"}], "sourceIdentifier": "cret@cert.org", "vulnStatus": "Awaiting Analysis"}

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